Vote for your favorite mineral in #MinCup26! - Arsenuranylite vs. Talc
It's a pair of soft and lovely minerals as Stichtite and Talc compete for your votes.
Log InRegister
Quick Links : The Mindat ManualThe Rock H. Currier Digital LibraryMindat Newsletter [Free Download]
Home PageAbout MindatThe Mindat ManualHistory of MindatCopyright StatusWho We AreContact UsAdvertise on Mindat
Donate to MindatCorporate SponsorshipSponsor a PageSponsored PagesMindat AdvertisersAdvertise on Mindat
Learning CenterWhat is a mineral?The most common minerals on earthInformation for EducatorsMindat ArticlesThe ElementsThe Rock H. Currier Digital LibraryGeologic TimeExplore Fossils
Minerals by PropertiesMinerals by ChemistryMineral Visual ExplorerAdvanced Locality SearchRandom MineralRandom LocalitySearch by minIDLocalities Near MeSearch ArticlesSearch GlossaryMore Search Options
Search For:
Mineral Name:
Locality Name:
Keyword(s):
 
The Mindat ManualAdd a New PhotoRate PhotosLocality Edit ReportCoordinate Completion ReportAdd Glossary Item
Mining CompaniesStatisticsUsersMineral MuseumsClubs & OrganizationsMineral Shows & EventsThe Mindat DirectoryDevice SettingsThe Mineral QuizTime Machine
Photo SearchPhoto GalleriesSearch by ColorPhoto Colour ExplorerNew Photos TodayNew Photos YesterdayMembers' Photo GalleriesPast Photo of the Day GalleryPhotography

Calcium Amphibole Subgroup from
Comba de la Sassa (Comba della Sassa; Sassa Valley), Bionaz, Aosta Valley, Italy


06411710017370704075670.jpg
Hornblende Root Name Group

Comba de la Sassa, Bionaz, Aosta Valley, Italy
06411710017370704075670.jpg
Hornblende Root Name Group

Comba de la Sassa, Bionaz, Aosta Valley, Italy
02381480017370704085628.jpg
Hornblende Root Name Group

Comba de la Sassa, Bionaz, Aosta Valley, Italy
Locality type:Valley
Classification
Species:'Calcium Amphibole Subgroup' (not an IMA approved species)
Formula:AnCa2(C2+5-mCm3+)(Si8-(n+m)Al(n+m))W2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Calcium Amphibole Subgroup data
Locality Data:Click here to view Comba de la Sassa (Comba della Sassa; Sassa Valley), Bionaz, Aosta Valley, Italy
Data Identifiers
Mindat Occurrence Record ID:981445
Long-form Identifier:1:3:981445:5
GUID (UUID V4):0
Nearest other occurrences of Calcium Amphibole Subgroup
17.7km (11.0 miles) ⓘRiffelberg–Garten Unit, Valtournenche, Aosta Valley, Italy
49.4km (30.7 miles) ⓘGhiacciaio del Bottarello, Val Loranco, Antrona Schieranco, Verbano-Cusio-Ossola Province, Piedmont, Italy
References
al Piaz, G.V., Bistacchi, A., Gianotti, F., Monopoli, B., Passeri, L., Schiavo, A., with contributions of Bertolo, D., Bonetto, F., Ciarapica, G., Dal Piaz, G., Gouffon, Y., Massironi, M., Ratto, S., Toffolon, G. (2015): Note illustrative della Carta Geologica d’Italia alla scala 1:50.000, Foglio 070 Monte Cervino. ISPRA, Serv. Geol. d'Italia - Regione Autonoma Valle d'Aosta/Région Autonome Vallée d'Aoste, Land Technology & Services, Treviso, 431 pp.
 
and/or  
Mindat.org® is an outreach project of the Hudson Institute of Mineralogy, a 501(c)(3) not-for-profit organization. Mindat® and mindat.org® are registered trademarks of the Hudson Institute of Mineralogy.
Copyright © mindat.org and the Hudson Institute of Mineralogy 1993-2026, except where stated. Most political location boundaries are © OpenStreetMap contributors. Mindat.org relies on the contributions of thousands of members and supporters. Founded in 2000 by Jolyon Ralph and Ida Chau.
Content on this site may not be used to train, fine-tune, or otherwise develop artificial intelligence or machine learning models without prior written permission - see our Terms & Conditions.
To cite: Ralph, J., Von Bargen, D., Martynov, P., Zhang, J., Que, X., Prabhu, A., Morrison, S. M., Li, W., Chen, W., & Ma, X. (2025). Mindat.org: The open access mineralogy database to accelerate data-intensive geoscience research. American Mineralogist, 110(6), 833–844. doi:10.2138/am-2024-9486.
Privacy Policy - Terms & Conditions - Contact Us / DMCA issues - Report a bug/vulnerability Current server date and time: September 8, 2026 12:43:06
Go to top of page